JPH0343839B2 - - Google Patents

Info

Publication number
JPH0343839B2
JPH0343839B2 JP53125215A JP12521578A JPH0343839B2 JP H0343839 B2 JPH0343839 B2 JP H0343839B2 JP 53125215 A JP53125215 A JP 53125215A JP 12521578 A JP12521578 A JP 12521578A JP H0343839 B2 JPH0343839 B2 JP H0343839B2
Authority
JP
Japan
Prior art keywords
audio channel
channel
sound
decoder
ambient
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP53125215A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5462801A (en
Inventor
Robaato Aren Iwaan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of JPS5462801A publication Critical patent/JPS5462801A/ja
Publication of JPH0343839B2 publication Critical patent/JPH0343839B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereo-Broadcasting Methods (AREA)
JP12521578A 1977-10-14 1978-10-13 Audio system device and format Granted JPS5462801A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84204677A 1977-10-14 1977-10-14

Publications (2)

Publication Number Publication Date
JPS5462801A JPS5462801A (en) 1979-05-21
JPH0343839B2 true JPH0343839B2 (en]) 1991-07-03

Family

ID=25286397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12521578A Granted JPS5462801A (en) 1977-10-14 1978-10-13 Audio system device and format

Country Status (4)

Country Link
JP (1) JPS5462801A (en])
CA (1) CA1100881A (en])
FR (1) FR2406368A1 (en])
GB (1) GB2006583B (en])

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577305A (en) * 1983-03-14 1986-03-18 Dolby Laboratories Licensing Corporation Stereophonic motion picture photographic sound-tracks compatible with different sound projection formats and record and playback apparatus therefore
JPS62122500A (ja) * 1985-11-22 1987-06-03 Sony Corp マルチチヤンネルステレオ再生装置
DK152478C (da) * 1985-12-06 1988-07-25 Ole Sparkjaer Fremgangsmaade og kredsloeb til dekodning af fire kanalsignaler, som er matrixkodet og foreligger i form af et to-kanal signal
JPS63183495A (ja) * 1987-01-27 1988-07-28 ヤマハ株式会社 音場制御装置
DE68921899T2 (de) * 1988-01-06 1995-09-21 Lucasarts Entertainment Co Räumliches Schallwiedergabesystem.
US5043970A (en) * 1988-01-06 1991-08-27 Lucasarts Entertainment Company Sound system with source material and surround timbre response correction, specified front and surround loudspeaker directionality, and multi-loudspeaker surround
US6624873B1 (en) 1998-05-05 2003-09-23 Dolby Laboratories Licensing Corporation Matrix-encoded surround-sound channels in a discrete digital sound format
WO2000004744A1 (en) * 1998-07-17 2000-01-27 Lucasfilm Ltd. Multi-channel audio surround system
US6985594B1 (en) 1999-06-15 2006-01-10 Hearing Enhancement Co., Llc. Voice-to-remaining audio (VRA) interactive hearing aid and auxiliary equipment
MX2015014065A (es) 2013-04-05 2016-11-25 Thomson Licensing Metodo para manejar campo reverberante para audio inmersivo.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4937601A (en]) * 1972-08-07 1974-04-08
GB1522135A (en) * 1974-08-29 1978-08-23 Dolby Laboratories Inc Stereophonic sound system
GB1510385A (en) * 1974-12-16 1978-05-10 Mosely J Surround sound system

Also Published As

Publication number Publication date
GB2006583A (en) 1979-05-02
GB2006583B (en) 1982-04-28
FR2406368B1 (en]) 1983-08-12
CA1100881A (en) 1981-05-12
JPS5462801A (en) 1979-05-21
FR2406368A1 (fr) 1979-05-11

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